package cn.miao.config;


import cn.miao.handler.MyAuthenticationFailureHandler;
import cn.miao.handler.MyAuthenticationSuccessHandler;
import cn.miao.hrm.mapper.PermissionMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

@Configuration
//开启Security配置
@EnableWebSecurity
@Slf4j
//开启全局方法授权支持
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class MySecurityConfig extends WebSecurityConfigurerAdapter{

    @Autowired
    private PermissionMapper permissionMapper ;

    //密码编码器：加密
    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }


    //授权规则配置
    //HttpSecurity : 对url的权限配置
    @Override
    protected void configure(HttpSecurity http) throws Exception {

        //WEB授权：为资源授权
        /**
        List<Permission> permissions = permissionMapper.selectAll();
        permissions.forEach(permission -> {
            try {
                log.info("资源授权 resource={} , expression={}",permission.getResource(),permission.getExpression() );
                http.authorizeRequests().antMatchers(permission.getResource()).hasAuthority(permission.getExpression());
            } catch (Exception e) {
                e.printStackTrace();
            }
        });
        **/

        http.authorizeRequests()                                //授权配置
                .antMatchers("/login/user","/login/refresh").permitAll()  //登录路径放行
                .anyRequest().authenticated()                   //其他路径都要认证之后才能访问
                .and().formLogin()                              //允许表单登录
                .loginProcessingUrl("/login")   //登录提交地址
                .successHandler(new MyAuthenticationSuccessHandler())//认证成功结果处理器
                .failureHandler(new MyAuthenticationFailureHandler())   //认证失败处理器
                .and().logout().permitAll()                    //登出路径放行 /logout
                .and().csrf().disable();                        //关闭跨域伪造检查
    }


    /**
     * 配置认证管理器，授权模式为“poassword”时会用到
     *
     * @return {@link AuthenticationManager}
     * @throws Exception 异常
     */
    @Override
    @Bean
    public AuthenticationManager authenticationManager() throws Exception {
        return super.authenticationManager();
    }
}
